# Swimming at the 2017 SEA Games

The swimming competitions at the 2017 SEA Games in Kuala Lumpur took place at National Aquatic Centre in Bukit Jalil. It was one of four aquatic sports at the games, along with diving, water polo, and synchronised swimming. Meanwhile, marathon swimming was held at the Putrajaya Lake.
The 2017 Games featured competitions in forty events (20 events for men and 20 events for women).

## Events

Similar to the program's format in 2015, swimming features a total of 40 events (20 each for men and women), including two 10 km open-water marathons. The following events will be contested (all pool events are long course, and distances are in metres unless stated):
* Freestyle: 50, 100, 200, 400, 800 (women), and 1,500 (men);
* Backstroke: 50,100 and 200;
* Breaststroke: 50,100 and 200;
* Butterfly: 50,100 and 200;
* Individual medley: 200 and 400;
* Relays: 4×100 free, 4×200 free; 4×100 medley
* Marathon: 10 kilometres

### Schedule
## Participation
### Participating nations

* Cambodia (7)
* Indonesia (20)
* Laos (4)
* Malaysia (23)
* Myanmar (4)
* Philippines (8)
* Singapore (27)
* Thailand (23)
* Timor-Leste (1)
* Vietnam (17)

## Medal summary
### Medal table

* Host nation (Malaysia)
| Rank | Nation | Gold | Silver | Bronze | Total |
| 1 | Singapore | 19 | 7 | 11 | 37 |
| 2 | Vietnam | 10 | 7 | 6 | 23 |
| 3 | Malaysia* | 5 | 3 | 3 | 11 |
| 4 | Indonesia | 4 | 11 | 10 | 25 |
| 5 | Thailand | 2 | 9 | 7 | 18 |
| 6 | Philippines | 0 | 3 | 4 | 7 |
| Totals (6 entries) | Totals (6 entries) | 40 | 40 | 41 | 121 |

### Men's events

| Event | Gold | Gold | Silver | Silver | Bronze | Bronze |
| 50 m freestyle details | Teong Tzen Wei Singapore | 22.55 | Triady Fauzi Sidiq Indonesia | 22.66 NR | Paul Lê Nguyễn Vietnam | 22.90 NR |
| 100 m freestyle | Joseph Schooling Singapore | 48.93 | Hoàng Quý Phước Vietnam | 49.31 | Darren Lim Singapore | 50.56 |
| 200 m freestyle | Welson Sim Malaysia | 1:47.79 | Hoàng Quý Phước Vietnam | 1:48.07 NR | Danny Yeo Singapore | 1:48.49 |
| 400 m freestyle details | Welson Sim Malaysia | 3:50.26 GR | Aflah Fadlan Prawira Indonesia | 3:54.15 NR | Nguyễn Hữu Kim Sơn Vietnam | 3:54.20 NR |
| 1500 m freestyle | Nguyễn Huy Hoàng Vietnam | 15:20.10 GR, NR | Lâm Quang Nhật Vietnam | 15:23.94 | Aflah Fadlan Prawira Indonesia | 15:28.69 NR |
| 50 m backstroke details | I Gede Siman Sudartawa Indonesia | 25.20 GR | Quah Zheng Wen Singapore | 25.39 | Paul Lê Nguyễn Vietnam | 25.82 |
| 100 m backstroke | Quah Zheng Wen Singapore | 54.81 | I Gede Siman Sudartawa Indonesia | 54.94 NR | Francis Fong Singapore | 55.92 |
| 200 m backstroke | Quah Zheng Wen Singapore | 2:00.09 GR | Francis Fong Singapore | 2:00.49 | Ricky Anggawidjaja Indonesia | 2:02.76 |
| 50 m breaststroke | Indra Gunawan Indonesia | 28.07 | James Deiparine Philippines | 28.60 | Lionel Khoo Singapore | 28.63 |
| 100 m breaststroke | Gagarin Nathaniel Indonesia | 1:01.76 NR | James Deiparine Philippines | 1:02.11 NR | Radomyos Matjiur Thailand | 1:02.24 |
| 200 m breaststroke | Nuttapong Ketin Thailand | 2:14.35 | Radomyos Matjiur Thailand | 2:14.96 | Daniel Lim Jun Liang Malaysia | 2:15.77 |
| 50 m butterfly | Joseph Schooling Singapore | 23.06 GR | Triady Fauzi Sidiq Indonesia | 24.01 NR | Paul Lê Nguyễn Vietnam | 24.37 |
| 100 m butterfly | Joseph Schooling Singapore | 51.38 GR | Triady Fauzi Sidiq Indonesia | 53.03 | Glenn Victor Sutanto Indonesia | 53.25 |
| 200 m butterfly | Quah Zheng Wen Singapore | 1:57.95 | Tia'a Faang Der Malaysia | 2:01.04 | Navaphat Wongcharoen Thailand | 2:01.06 |
| 200 m individual medley | Triady Fauzi Sidiq Indonesia | 2:01.72 NR | Pang Sheng Jun Singapore | 2:02.06 | Paul Lê Nguyễn Vietnam | 2:03.39 NR |
| 400 m individual medley | Nguyễn Hữu Kim Sơn Vietnam | 4:22.12 GR, NR | Aflah Fadlan Prawira Indonesia | 4:22.73 NR | Pang Sheng Jun Singapore | 4:23.54 |
| 4×100 m freestyle relay | Singapore Joseph Schooling (49.25) Darren Lim (49.85) Danny Yeo (49.71) Quah Zheng Wen (49.04) | 3:17.85 GR, NR | Malaysia Keith Lim Kit Sern (51.10) Chan Jie (50.99) Ching Hwang Lim (50.34) Welson Sim (49.36) | 3:21.79 NR | Indonesia Triady Fauzi Sidiq (50.48) Raymond Sumitra Lukman (50.72) Ricky Anggawidjaja (51.33) I Gede Siman Sudartawa (51.12) | 3:23.65 NR |
| 4×200 m freestyle relay | Singapore Danny Yeo (1:49.01) Quah Zheng Wen (1:48.90) Pang Sheng Jun (1:52.15) Joseph Schooling (1:48.88) | 7:18.94 | Vietnam Hoàng Quý Phước (1:48.56) Nguyễn Huy Hoàng (1:50.80) Ngô Đình Chuyền (1:53.42) Trần Tấn Triệu (1:52.54) | 7:25.32 NR | Malaysia Welson Sim (1:47.36) GR, NR Yeap Zheng Yang (1:52.05) Ching Hwang Lim (1:52.99) Keith Lim Kit Sern (1:54.51) | 7:26.91 |
| 4×100 m medley relay | Singapore Quah Zheng Wen (55.10) Lionel Khoo (1:01.75) Joseph Schooling (50.90) Darren Lim (49.71) | 3:37.46 GR, NR | Indonesia I Gede Siman Sudartawa (55.56) Gagarin Nathaniel (1:01.79) Glenn Victor Sutanto (52.87) Triady Fauzi Sidiq (50.12) | 3:40.34 NR | Vietnam Trần Duy Khôi (55.65) Phạm Thành Bảo (1:03.88) Hoàng Quý Phước (53.15) Ngô Đình Chuyền (50.41) | 3:43.09 NR |
| 10 km open water | Kevin Yeap Malaysia | 2:03:18 | Peerapat Lertsathapornsuk Thailand | 2:05:41 | Aflah Fadlan Prawira Indonesia | 2:08:40 |
| AS Asian record | GR Games record | WR World record NR National record (Any world record is necessarily also a games, Asian, and national record. Asian records are also games and national records.) |||||| |

### Women's events

| Event | Gold | Gold | Silver | Silver | Bronze | Bronze |
| 50 m freestyle | Amanda Lim Singapore | 25.41 GR | Quah Ting Wen Singapore | 25.46 | Jenjira Srisa-ard Thailand | 25.63 NR |
| 100 m freestyle | Quah Ting Wen Singapore | 55.74 GR | Nguyễn Thị Ánh Viên Vietnam | 55.76 NR | Jasmine Alkhaldi Philippines | 55.90 NR |
| 200 m freestyle | Nguyễn Thị Ánh Viên Vietnam | 1:59.24 GR | Natthanan Junkrajang Thailand | 2:01.34 | Jasmine Alkhaldi Philippines | 2:02.02 |
| 400 m freestyle | Nguyễn Thị Ánh Viên Vietnam | 4:10.96 | Ammiga Himathongkom Thailand | 4:15.54 | Natthanan Junkrajang Thailand | 4:16.87 |
| 800 m freestyle | Nguyễn Thị Ánh Viên Vietnam | 8:35.55 | Ammiga Himathongkom Thailand | 8:45.44 | Natthanan Junkrajang Thailand | 8:51.09 |
| 50 m backstroke | Nguyễn Thị Ánh Viên Vietnam | 29.26 NR | Sofie Kemala Fatiha Indonesia | 29.81 | Anak Agung Istri Kania Ratih Indonesia | 29.91 |
| 50 m backstroke | Nguyễn Thị Ánh Viên Vietnam | 29.26 NR | Sofie Kemala Fatiha Indonesia | 29.81 | Caroline Chan Malaysia | 29.91 |
| 100 m backstroke details | Nguyễn Thị Ánh Viên Vietnam | 1:01.89 GR, NR | Nurul Fajar Fitriyati Indonesia | 1:04.10 NR | Phiangkhwan Pawapotako Thailand | 1:04.59 |
| 200 m backstroke | Nguyễn Thị Ánh Viên Vietnam | 2:13.64 GR | Yessy Yosaputra Indonesia | 2:18.19 | Roxanne Yu Philippines | 2:19.98 |
| 50 m breaststroke | Roanne Ho Singapore | 31.29 GR, NR | Phee Jinq En Malaysia | 31.54 NR | Samantha Yeo Singapore | 32.17 |
| 100 m breaststroke | Phee Jinq En Malaysia | 1:09.00 GR | Samantha Yeo Singapore | 1:09.44 NR | Anandia Evato Indonesia | 1:10.82 |
| 200 m breaststroke | Phiangkhwan Pawapotako Thailand | 2:29.58 GR, NR | Nguyễn Thị Ánh Viên Vietnam | 2:30.89 NR | Samantha Yeo Singapore | 2:32.41 |
| 50 m butterfly | Quah Ting Wen Singapore | 26.83 | Jenjira Srisa-ard Thailand | 26.94 NR | Jasmine Alkhaldi Philippines | 27.27 NR |
| 100 m butterfly | Quah Jing Wen Singapore | 59.38 | Kornkarnjana Sapianchai Thailand | 1:00.45 | Quah Ting Wen Singapore | 1:00.69 |
| 200 m butterfly details | Quah Jing Wen Singapore | 2:12.03 NR | Lê Thị Mỹ Thảo Vietnam | 2:14.52 | Patarawadee Kittiya Thailand | 2:15.05 |
| 200 m individual medley | Nguyễn Thị Ánh Viên Vietnam | 2:14.25 | Samantha Yeo Singapore | 2:16.85 NR | Ressa Kania Dewi Indonesia | 2:17.46 NR |
| 400 m individual medley | Nguyễn Thị Ánh Viên Vietnam | 4:45.82 | Azzahra Permatahani Indonesia | 4:50.39 NR | Gan Ching Hwee Singapore | 4:54.51 |
| 4×100 m freestyle relay | Singapore Quah Ting Wen (56.23) Amanda Lim (56.21) Natasha Ong (56.44) Quah Jing Wen (55.50) | 3:44.38 GR, NR | Thailand Kornkarnjana Sapianchai (56.75) Jenjira Srisa-ard (56.78) Patarawadee Kittiya (57.20) Natthanan Junkrajang (55.73) | 3:46.46 NR | Indonesia Ressa Kania Dewi (57.65) Sagita Putri Krisdewanti (57.17) Adinda Larasati Dewi (58.59) Patricia Yosita Hapsari (57.15) | 3:50.56 NR |
| 4×200 m freestyle relay | Singapore Christie Chue (2:02.78) Quah Ting Wen (2:01.28) Rachel Tseng (2:03.61) Quah Jing Wen (2:02.74) | 8:10.41 GR | Philippines Nicole Oliva (2:04.21) Nicole Meah Pamintuan (2:07.28) Rosalee Mira Santa Ana (2:05.97) Jasmine Alkhaldi (2:01.12) | 8:18.58 NR | None | None |
| 4×100 m medley relay | Singapore Hong En Qi (1:04.86) Samantha Yeo (1:10.06) Quah Jing Wen (58.69) Quah Ting Wen (55.71) | 4:09.32 | Thailand Phiangkhwan Pawapotako (1:04.48) Chavunooch Salubluek (1:10.99) Patarawadee Kittiya (1:00.50) Natthanan Junkrajang (55.70) | 4:11.67 NR | Indonesia Nurul Fajar Fitriyati (1:04.13) Anandia Evato (1:10.17) Adinda Larasati Dewi (1:01.69) Patricia Yosita Hapsari (56.45) | 4:12.44 NR |
| 10 km open water | Heidi Gan Malaysia | 2:11:02 | Chantal Liew Singapore | 2:21:30 | None | None |
| AS Asian record | GR Games record | WR World record NR National record (Any world record is necessarily also a games, Asian, and national record. Asian records are also games and national records.) |||||| |